Home / 870,977.79-1,305,958.17-337,875.87

Finding the Fourth Proportional to 870,977.79, 1,305,958.17 and 337,875.87

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Solution

The fourth proportional to 870,977.79, 1,305,958.17 and 337,875.87 is: 506,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,977.79 : 1,305,958.17 = 337,875.87 : x
  2. Step 2: Convert to fraction form
    870,977.79/1,305,958.17 = 337,875.87/x
  3. Step 3: Cross multiply
    870,977.79x = 1,305,958.17 × 337,875.87
  4. Step 4: Simplify right side
    870,977.79x = 441,251,752,872.36
  5. Step 5: Solve for x
    x = 441,251,752,872.36/870,977.79
  6. Step 6: Final answer
    x = 506,616.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.